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You searched for: subject:"ELECTRICAL RESISTIVITY"
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[texts]Pulsed electrothermal thruster - NON
A plasma electrothermal thruster includes a capillary passage in which a plasma discharge is formed and directed out of an open end of the passage into a supersonic nozzle. Liquid supplied to the capillary passage becomes partially atomized to cool a confining surface of the passage. The plasma discharge is formed as the atomized liquid flows out of the open end into a supersonic equilibrium nozzle...
Keywords: ELECTRICAL RESISTIVITY; FABRICATION; NOZZLE DESIGN; PATENTS
Downloads: 100
[texts]Experimental investigation of resonance self-shielding and the Doppler effect in uranium and tantalum - Byoun, T. Y.
A series of average transmission and average self-indication ratio measurements were performed in order to investigate the temperature dependence of the resonance self-shielding effect in the unresolved resonance region of depleted uranium and tantalum. The measurements were carried out at 77 K, 295 K and approximately 1000 K with sample thicknesses varying from approximately 0.1 to 1.0 mean free path...
Keywords: SALTS; SOIL SCIENCE; SOLUBILITY; ELECTRICAL RESISTIVITY; ELECTROLYTES
Downloads: 121
[texts]The numerical solution of ordinary differential equations by the Taylor series method - Silver, A. H.
A programming implementation of the Taylor series method is presented for solving ordinary differential equations. The compiler is written in PL/1, and the target language is FORTRAN IV. The reduction of a differential system to rational form is described along with the procedures required for automatic numerical integration. The Taylor method is compared with two other methods for a number of differential equations...
Keywords: ELECTRICAL RESISTIVITY; GROUND WATER; SOIL SCIENCE; IONIZATION
Downloads: 338
[texts]GEO-ELECTRIC ASSESSMENT OF GROUNDWATER POTENTIALS IN COMPLEX BASEMENT TERRAIN: CASE STUDY OF COLLEGE OF ARTS AND SOCIAL SCIENCES, KADUNA POLYTECHNIC BYE-PASS CAMPUS, NORTHWESTERN NIGERIA - Abdullahi, N.K, Aboh, H.O and Masanawa, A.A
A geo-electrical investigation to explore best sites for groundwater was carried out at College of arts and social sciences, Kaduna Polytechnic Bye-pass campus, Kaduna State, Nigeria. Nine Schlumberger Vertical Electrical Sounding (VES) points were established and the resistivity interpretation revealed maximum of four geologic layers. Fields data were interpreted using both curve matching techniques and computer based iteration using the IPWIN (Version 3.0.1) programme...
Keywords: Schlumberger; electrical resistivity; resistivity cross-section; isopach
Downloads: 304
[texts]Oxygen difluoride research study Final report, Jun. 1963 - Sep. 1965 - Jackson, R. B
Ammonia decontaminant control of oxygen difluoride and static and dynamic compatibility tests with plastic and elastomer materials
Keywords: ELECTRICAL MEASUREMENT; HALL EFFECT; HALL GENERATORS; ELECTRICAL RESISTIVITY; TEMPERATURE COMPENSATION
Downloads: 182
[texts]Computed Temperature Distribution and Cooling of Solid Gas-Turbine Blades - Reuter, J. George
Computations were made to determine the temperature distribution and cooling of solid gas-turbine blades.A range of temperatures was used from 1500 degrees to 2500 degrees F, blade-root temperatures from 100 degrees to 1000 degrees F, blade thermal conductivity from 8 to 220 BTU/(hr)(sq ft)(degrees F/ft), and net gas to metal heat transfer coefficients from 75 to 250 BTU/(hr)(sq ft)(degrees F).
Keywords: CARBON NANOTUBES; GAS INJECTION; ELECTRICAL RESISTIVITY; TEMPERATURE DEPENDENCE
Downloads: 106
[texts]Mars 2 and 3: Interplanetary stations of the USSR - Hofstaetter, R
The design and construction of the Soviet Mars 2 and 3 probes, with comprehensive details on instrumentation and orbital parameters, are described.
Keywords: BLACK BODY RADIATION; ELECTRICAL RESISTIVITY; CARBON; PIPES (TUBES); PYROMETERS
Downloads: 108
[texts]Interface stability during liquid inflow to partially full, hemispherical ended cylinders during weightlessness - Staskus, J. V.
Interface stability during liquid inflow to partially full, hemisperical ended cylinders during weightlessness
Keywords: IONIZATION; MAGNETOHYDRODYNAMIC GENERATORS; MICROWAVES; NONEQUILIBRIUM PLASMAS; ALKALI METALS; ARGON; ELECTRICAL RESISTIVITY
Downloads: 72
[texts]Localization in deformed quantum mechanics - Codriansky, Simo
In this talk it is shown that in one version of q-algebras there exists states-a subset of the coherent states- that have negligible dispersion in energy, position and momentum.
Keywords: CONDUCTING FLUIDS; DIELECTRICS; ELECTRIC FIELDS; ELECTROHYDRODYNAMICS; PERMITTIVITY; CONDUCTIVITY; DROPS (LIQUIDS); ELECTRICAL RESISTIVITY; SOLUBILITY
Downloads: 67
[texts]BOLOMETRIC MEASUREMENTS OF RELIC RADIATION - SOGLASNOVA, V. A.
THE FEASIBILITY OF AN ALTERNATIVE APPROACH TO MEASURING ANISOTROPY, BASED ON THE USE OF WIDEBAND RECEIVERS, IS EXAMINED. THE METHOD OF MEASURING THE VELOCITY OF THE OBSERVER RELATIVE TO THE FRAME OF REFERENCE, CONNECTED TO THE RELIC BACKGROUND IS ILLUSTRATED BY WAY OF EXAMPLE OF PLANCKIAN SPECTRUM AND CAN BE EMPLOYED FOR NON-PLANCKIAN SPECTRUM OF RELIC RADIATION.
Keywords: ELECTRICAL RESISTIVITY; FIELD EFFECT TRANSISTORS; TRANSPORT PROPERTIES; ELECTRIC CURRENT; GATES (CIRCUITS); JUNCTION TRANSISTORS; SEMICONDUCTOR DEVICES
Downloads: 135
[texts]Nature of the MgO and Al2O3 conductivity - Frolov, A. G.
Nature of baked magnesium and aluminum oxide conductivity at high temperatures
Keywords: ALUMINUM OXIDES; ELECTRICAL RESISTIVITY; HIGH TEMPERATURE; MAGNESIUM OXIDES; ALUMINUM OXIDE; ELECTRIC CONDUCTIVITY; MAGNESIUM OXIDE
Downloads: 112
[texts]Derivatives of the Gr�neisen and Einstein Functions (Volume 74B) - Cezairliyan, Ared
Journal of Research of the National Bureau of Standards
Keywords: Einstein function; electrical resistivity; Gr�neisen function; solid state physics; transport properties
Downloads: 42
[texts]WSTF electrical arc projects - Linley, Larr
The objectives of these projects include the following: validate method used to screen wire insulation with arc tracking characteristics; determine damage resistance to arc as a function of source voltage and insulation thickness; investigate propagation characteristics of Kapton at low voltages; and investigate pyrolytic properties of polyimide insulated (Kapton) wire for low voltage (less than 35 VDC) applications...
Keywords: CONDUCTING POLYMERS; POLYIMIDES; POLYMERIC FILMS; SEMICONDUCTORS (MATERIALS); TIN OXIDES; ELECTRICAL RESISTIVITY; THERMAL STABILITY
Downloads: 75
[texts]Simultaneous measurements of heat capacity, electrical resistivity and hemispherical total emittance by a pulse heating technique: zirconium, 1500 to 2100 K (Volume 78A) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; heat capacity; high-speed measurements; high temperature; thermodynamics; thermophysical properties; zirconium
Downloads: 65
[texts]High-speed (subsecond) measurement of heat capacity, electrical resistivity, and thermal radiation properties of molybdenum in the range 1900 to 2800 K (Volume 74A) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; heat capacity; high-speed measurements; high temperature; molybdenum; thermal radiation properties; thermodynamics
Downloads: 134
[texts]High-speed (subsecond) measurement of heat capacity, electrical resistivity, and thermal radiation properties of niobium in the range 1500 to 2700 K (Volume 75A) - Cezairliyan, Ared
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; heat capacity; high-speed measurements; high temperature; niobium; thermal radiation properties; thermodynamics
Downloads: 52
[texts]Wave clouds associated with obstacles, observed from artificial earth satellites - Smirnova, P. B
Photointerpretation of Cosmos 122 satellite television photographs of wave clouds and statistical analysis of rawinsonde wind and temperature data for Siberia
Keywords: ABSORPTIVITY; GRANULAR MATERIALS; MICROWAVES; SILICATES; ELECTRICAL RESISTIVITY; RADIATIVE TRANSFER; SCATTERING FUNCTIONS; TEMPERATURE DISTRIBUTION; THERMODYNAMIC PROPERTIES
Downloads: 112
[texts]FINDING THE MOST CONSISTENT MOLECULAR WEIGHT BY ANALYSIS OF THE AMINO ACIDS OF A PROTEIN - DELAAGE, M
A METHOD IS GIVEN FOR DETERMINING THE MOLECULAR WEIGHT OF A PROTEIN ON THE BASIS OF ITS AMINO ACID COMPOSITION. TWO PROCEDURES ARE OUTLINED, ONE USING A COMPUTER AND THE OTHER MATHEMATICAL TABLES. POSSIBILITIES FOR ERROR ARE DISCUSSED BRIEFLY.
Keywords: RHENIUM ALLOYS; SOLID SOLUTIONS; TUNGSTEN ALLOYS; CRYSTAL LATTICES; ELECTRICAL RESISTIVITY; HALL EFFECT
Downloads: 70
[texts]Melting point, normal spectral emittance (at the melting point), and electrical resistivity (above 1900 K) of titanium by a pulse heating method (Volume 82) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; high-speed measurement; high temperature; melting point; radiance temperature; titanium
Downloads: 133
[texts]Inviscid Flow Computations of the Shuttle Orbiter for Mach 10 and 15 and Angle of Attack 40 to 60 Degrees - Prabhu, Ramadas K
This report documents the results of a computational study done to compute the inviscid longitudinal aerodynamic characteristics of the Space Shuttle Orbiter for Mach numbers 10 and 15 at angles of attack of 40, 50, 55, and 60 degrees. These computations were done to provide limited aerodynamic data in support of the Orbiter contingency abort task. The Orbiter had all the control surfaces in the undeflected position...
Keywords: CONTROL SURFACES; ELECTRICAL RESISTIVITY; TEMPERATURE CONTROL; THERMAL CONTROL COATINGS; DIELECTRICS; CERAMICS
Downloads: 101
[texts]The static response characteristics of a carbon bolometer element - Shephard, G. G
Electrical resistivity of carbon resistor material for calculating static response characteristics of carbon bolometer element
Keywords: BOLOMETERS; CARBON; ELECTRICAL RESISTIVITY; ISOTHERMS; RESISTORS; STATIC CHARACTERISTICS; BOLOMETER; CARBON; RESISTOR
Downloads: 116
[texts]Study to establish criteria for a solar cell array for use as a primary power source for a lunar-based water electrolysis system, phase 4 - Boretz, J. E.
Establishing solar cell array criteria for use as primary power source in lunar-based water electrolysis system
Keywords: ELECTRICAL RESISTIVITY; HIGH CURRENT; PLASMA JETS; THERMAL CONDUCTIVITY; HIGH TEMPERATURE PLASMAS; MAGNETOHYDRODYNAMICS
Downloads: 92
[texts]Performance verification trajectories for the McDonnell-Douglas high cross-range shuttle configuration - Etheridge, O. E
Space shuttle trajectory performance data for east and west test range launch simulations
Keywords: DRIFT (INSTRUMENTATION); VACUUM; ENVIRONMENTAL TESTS; THERMOCOUPLES; AIR; ARGON; ELECTRICAL RESISTIVITY; MASS SPECTROSCOPY; NOBLE METALS; REFRACTORY METALS
Downloads: 125
[texts]Calculation of Turbulent Expansion Processes - Tollmien, Walte
On the basis of certain formulas recently established by L. Prandtl for the turbulent interchange of momentum in stationary flows, various cases of ''free turbulence'' - that is, of flows without boundary walls - are treated in the present report. Prandtl puts the apparent shearing stress introduced by the turbulent momentum interchange. This present report deals first with the mixing of an air stream of uniform velocity with the adjacent still air, than with the expansion or diffusion of an air...
Keywords: CARBON; CAPACITORS; ELECTRICAL RESISTIVITY; DIAMOND FILMS; DIELECTRIC PROPERTIES; ION BEAMS; TEMPERATURE DEPENDENCE; DISSIPATION; OILS
Downloads: 115
[texts]Redundant memory organization Patent - Vinal, A. W
Redundant memory for enhanced reliability of digital data processing system
Keywords: EARTH MAGNETOSPHERE; ELECTRICAL RESISTIVITY; GEOMAGNETISM; PLASMA TURBULENCE; SOLAR WIND; ARTIFICIAL SATELLITES; ELECTRIC FIELDS; INTERPLANETARY SPACE
Downloads: 62
[texts]5. Civil IJCE ANALYSIS OF THE STABILITY VARIATION Sergio V. Calcina Italy
This paper deals the study of the stability variation of a hill slope crossed by a forest fire. In order to perform the stability analyses, two geotechnical models were derived by the integration of the results of geotechnical surveys (NSPT measurements and direct shear tests) with electrical resistivity tomographies. Classical approach based on Limit Equilibrium Method is used to determine the safety coefficient...
Keywords: Electrical Resistivity Tomography; Fire Effect; Geotechnical Modeling; Slope Stability; Soil Erosion
Downloads: 1
[texts]Aerodynamic heating of blunt nose shapes at Mach numbers up to 14 - Stoney, W. E., Jr
No Abstract Available
Keywords: MOLECULAR STRUCTURE; NICKEL COMPOUNDS; CHEMICAL REACTIONS; ELECTRICAL RESISTIVITY; X RAY DIFFRACTION
Downloads: 110
[texts]Aerodynamic Database Development for Mars Smart Lander Vehicle Configurations - Bobskill, Glenn J.
An aerodynamic database has been generated for the Mars Smart Lander Shelf-All configuration using computational fluid dynamics (CFD) simulations. Three different CFD codes, USM3D and FELISA, based on unstructured grid technology and LAURA, an established and validated structured CFD code, were used. As part of this database development, the results for the Mars continuum were validated with experimental data and comparisons made where applicable...
Keywords: POLYETHYLENES; ELECTRICAL MEASUREMENT; ELECTRICAL RESISTIVITY; FIELD EFFECT TRANSISTORS; SUBSTRATES; SILICON DIOXIDE; DEPOSITION
Downloads: 120
[texts]MICROCOCCUS PIERANTONII. NEW SPECIES OF PHOTOGENIC BACTERIA OF THE LUMINOUS ORGAN OF RONDELETIA MINOR NAEF - ZIRPOLO, G
THE PHOTOGENIC BACTERIA (MICROCOCCUS PIERANTONII) THAT CONSTITUTE THE LUMINOUS ORGAN OF RENDELETIA MINOR NAEF ARE DISCUSSED. THE ISOLATED ORGAN WAS PULPED AND INOCULATED IN A BROTH OF CUTTLEFISH AND AGAR. WITHIN 24 HOURS LUMINOUS INTENSE GREEN COLONIES APPEARED. THE EFFECT OF VARIOUS BROTH CULTURES ON THE LUMINOSITY WAS STUDIED. SUMMARIES OF THE MORPHOLOGICAL CULTURAL, AND PHOTOGENIC CHARACTERISTICS OF THE MICROCOCOUS PIERONTONII ARE INCLUDED.
Keywords: ELECTRICAL RESISTIVITY; IODINE COMPOUNDS; ALKALI METALS; ELECTROLYTES; MOLECULAR WEIGHT; POTASSIUM IODIDES; TEMPERATURE EFFECTS
Downloads: 182
[texts]Two-twenty KeV spectrum of X-rays from the Crab nebula and the diffuse background near galactic anticenter - Boldt, E. A.
X ray spectroscopy of Crab nebula and diffuse background by sounding balloons and rockets
Keywords: COPPER OXIDES; SEMICONDUCTORS (MATERIALS); TEMPERATURE; ELECTRICAL RESISTIVITY; METAL PLATES; OXYGEN; DISSOCIATION; ELECTRONS; GALVANOMETERS; HYDROCHLORIC ACID; IMPURITIES
Downloads: 135
[texts]A METHOD FOR AVOIDING INSECT ROUGHNESS ON AIRCRAFT - WORTMANN, F. X
INSECT-INDUCED ROUGHNESS ON AIRCRAFT CAN BE AVOIDED BY HIGHLY ELASTIC RUBBER COVERINGS ON WING AND CONTROL SURFACE LEADING EDGES. FILM PHOTOGRAPHS HAVE SHOWN THAT SUCH ELASTIC SURFACES CAN ELASTICALLY REFLECT IMPACTING INSECTS OR VISCOUS LIQUID DROPS. THIS PREVENTS THE FORMATION OF INSECT ROUGHNESS AND THE ENDANGERED FUSELAGE AND WING LEADING EDGES REMAIN SMOOTH.
Keywords: ELECTRICAL RESISTIVITY; INHOMOGENEITY; ION EXCHANGE MEMBRANE ELECTROLYTES; ION DENSITY (CONCENTRATION); ION EXCHANGING; PRODUCTION ENGINEERING; SPATIAL DISTRIBUTION
Downloads: 142
[texts]Developments in the large angle oblique jet impingement flow investigation - Foss, J. F
Single-wire (hot-wire) measurements are presented of the mean velocity and turbulence quantities near the impact plate for a 45-degree impingement flow responsible for acoustic noise production. These results are summarized along with the conclusions which shaped the subsequent direction of the study of large angle oblique jet impingement flow. The development of a unique signal processing circuit for finding the instantaneous transverse vorticity from an array of four hot-wires is discussed.
Keywords: ELECTRICAL RESISTIVITY; LUNAR TEMPERATURE; LUNAR TOPOGRAPHY; LUNAR COMPOSITION; LUNAR ROCKS; LUNAR SURFACE
Downloads: 147
[texts]High-speed (subsecond) measurement of heat capacity, electrical resistivity, and thermal radiation properties of tungsten in the range 2000 to 3600 K (Volume 75A) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; heat capacity; high-speed measurements; high temperature; thermal radiation properties; thermodynamics; tungsten
Downloads: 69
[texts]Simultaneous measurements of heat capacity, electrical resistivity, and hemispherical total emittance by a pulse heating technique: Vanadium, 1500 to 2100 K (Volume 78A) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; heat capacity; high-speed measurements; high temperature; thermodynamics; thermophysics; vanadium
Downloads: 132
[texts]Thermal conductivity standard reference materials from 4 to 300 K. I. Armco iron: Including apparatus description and error analysis (Volume 74A) - Hust, J.G.
Journal of Research of the National Bureau of Standards
Keywords: Cryogenics; equipment; electrical resistivity; error analysis; iron; Lorenz ratio; Seebeck effect; thermal conductivity; transport properties
Downloads: 96
[texts]Radar studies related to the earth resources program - Holtzman, J
The radar systems research discussed is directed toward achieving successful application of radar to remote sensing problems in such areas as geology, hydrology, agriculture, geography, forestry, and oceanography. Topics discussed include imaging radar and evaluation of its modification, study of digital processing for synthetic aperture system, digital simulation of synthetic aperture system, averaging techniques studies, ultrasonic modeling of panchromatic system, panchromatic radar/radar spec...
Keywords: EARLY WARNING SYSTEMS; FIRE PREVENTION; POLYMERS; ELECTRICAL RESISTIVITY; GAS DETECTORS; METAL OXIDE SEMICONDUCTORS
Downloads: 142
[texts]High-speed (subsecond) measurement of heat capacity, electrical resistivity, and thermal radiation properties of tantalum in the range 1900 to 3200 K (Volume 75A) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; heat capacity; high-speed measurements; high temperature; tantalum; thermal radiation properties; thermodynamics
Downloads: 99
[texts]An architect in a world where apples do not fall - Golovanov, Y
Problems facing architects in the design and construction of living quarters of future habitats in a space without gravitation are explored. The overwhelming influence of gravitation on the construction of our houses, features of furnishings, and the living space itself, which is reduced to horizontal surfaces is discussed. The architecture of weightlessness will not know the size and shape restrictions, and the living space itself will be truly tridimensionally functional...
Keywords: CARBON; COMPOSITE MATERIALS; ELECTRICAL RESISTIVITY; KAOLINITE; REFRACTORY MATERIALS; RESISTORS; CONTRACTION; CRYSTAL STRUCTURE; TEMPERATURE EFFECTS
Downloads: 70
[texts]Economic impact and technological progress of NASA research and development expenditures. Volume 1: Executive report - NON
The finding of Midwest Research Institute (MRI) is that the economic impact of NASA research and development expenditures is substantial. NASA's role in the economic and technological growth of the United States is also substantial as illustrated in two case studies: digital communications and civil aeronautics performance and efficiency. In addition, it has been clear that NASA has also had an impact in a broad range of technological areas...
Keywords: ELECTRICAL RESISTIVITY; METAL COATINGS; OXYGENATION; FABRICATION; FRACTURE STRENGTH; KEVLAR (TRADEMARK); METALLIZING; TETHERLINES; COPPER; DAMPING; ELECTRICAL RESISTANCE
Downloads: 231
[texts]AERODYNAMICS AND FLIGHT DYNAMICS OF TURBOJET AIRCRAFT - LIGUM, T. I
AERODYNAMICS AND FLIGHT DYNAMICS OF TURBOJET AIRCRAFT
Keywords: ELECTRIC ARCS; ELECTRICAL RESISTIVITY; HIGH TEMPERATURE AIR; THERMAL CONDUCTIVITY; THERMAL PLASMAS; ELECTRICAL MEASUREMENT; NITROGEN; TEMPERATURE MEASUREMENT
Downloads: 5,013 4.50 out of 5 stars4.50 out of 5 stars4.50 out of 5 stars4.50 out of 5 stars4.50 out of 5 stars(3 reviews)
[texts]ODC-Free Solvent Implementation Issues for Vulcanized Rubber and Bond Systems - Hodgson, James R
Thiokol Propulsion has worked extensively to replace 1,1,1-trichloroethane (TCA) with ozone depleting chemicals (ODC)-free solvents for use in the manufacture of the Reusable Solid Rocket Motor (RSRM) for the Space Shuttle Program. As Thiokol has transitioned from sub-scale to full-scale testing and implementation of these new solvents, issues have been discovered which have required special attention...
Keywords: ELECTRICAL RESISTIVITY; MAGNETOHYDRODYNAMIC GENERATORS; NUCLEAR INTERACTIONS; NUCLEAR ELECTRIC POWER GENERATION; MAGNETOHYDRODYNAMIC FLOW; ALKALI METALS; IONIZATION; HELIUM
Downloads: 190
[texts]Thermodynamic studies of the a ? � phase transformation in zirconium using a subsecond pulse heating technique (Volume 79A) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; high-speed measurements; high temperature; solid-solid phase transformation; thermodynamics; zirconium
Downloads: 78
[texts]Simultaneous measurement of specific heat, electrical resistivity, and hemispherical total emittance of niobium-1 (wt. %) zirconium alloy in range 1500 to 2700 K by a transient (subsecond) technique (Volume 77A) - Cezairliyan, Ared
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; high-speed measurements; high temperature; niobium-zirconium alloy; specific heat; thermodynamics
Downloads: 85
[texts]Measurement of melting point, normal spectral emittance (at melting point) and electrical resistivity (near melting point) of some refractory alloys (Volume 78A) - Cezairliyan, Ared
Journal of Research of the National Bureau of Standards
Keywords: Alloys; electrical resistivity; high temperature; melting point; normal spectral emittance; refractory materials; thermophysics
Downloads: 118
[texts]Simultaneous Global Pressure and Temperature Measurement Technique for Hypersonic Wind Tunnels - Buck, Gregory M
High-temperature luminescent coatings are being developed and applied for simultaneous pressure and temperature mapping in conventional-type hypersonic wind tunnels, providing global pressure as well as Global aeroheating measurements. Together, with advanced model fabrication and analysis methods, these techniques will provide a more rapid and complete experimental aerodynamic and aerothermodynamic database for future aerospace vehicles...
Keywords: ETCHING; INDUCTORS; INTEGRATED CIRCUITS; MICROWAVE CIRCUITS; Q FACTORS; RESONANT FREQUENCIES; ELECTRICAL RESISTIVITY; SUPERHIGH FREQUENCIES; MICROMACHINING
Downloads: 184
[texts]Simultaneous measurements of specific heat, electrical resistivity, and hemispherical total emittance by a pulse heating technique: hafnium-3 (wt. %) zirconium, 1500 to 2400 K (Volume 79A) - Cezairliyan, A.
Journal of Research of the National Bureau of Standards
Keywords: Electrical resistivity; emittance; hafnium; high-speed measurements; high temperatures; specific heat; thermodynamics
Downloads: 119
[texts]An equation for vortex motion including effects of buoyancy and sources with applications to tornadoes - Costen, R. C
Equation for vortex motion including effects of buoyancy and sources with applications to tornadoes
Keywords: ELECTRICAL RESISTIVITY; GRAPHS (CHARTS); METALS; TABLES (DATA); LOW TEMPERATURE; PURITY; SUPERCONDUCTIVITY
Downloads: 150
[texts]The Sondheimer-Wilson-Kohler formula in platinum resistance thermometry (Volume 69C) - Corruccini, R.J.
Journal of Research of the National Bureau of Standards
Keywords: Cryogenic; electrical resistivity; low temperature; platinum; resistance thermometry; temperature measurement; thermometry
Downloads: 57
[texts]Radiation effects on silicon Quarterly progress report, 1 Jul. - 30 Sep. 1966 - Naber, J. A.
Electrical conductivity and electron spin resonance experiments in study of radiation effects on silicon
Keywords: ELECTRICAL RESISTIVITY; ELECTRON PARAMAGNETIC RESONANCE; PURITY; RADIATION EFFECTS; SILICON; ELECTRIC CONDUCTIVITY; ELECTRON SPIN RESONANCE; RADIATION EFFECT; SILICON
Downloads: 49
[texts]MERBoard User's Guide - Trimble, Jay
An important goal of MERBoard is to allow users to quickly and easily share information. The front-end interface is physically a large plasma computer display with a touch screen, allowing multiple people to interact shoulder-to-shoulder or in a small meeting area. The software system allows people to interactively create digital whiteboards, browse the web, give presentations and connect to personal computers (for example, to run applications not on the MERBoard computer itself)...
Keywords: PYROLYSIS; SUBSTRATES; POLYCRYSTALS; VAPOR DEPOSITION; THIN FILMS; COPPER INDIUM SELENIDES; SOLAR CELLS; AEROSOLS; SPRAYING; ARGON; ELECTRICAL RESISTIVITY; LIQUID PHASES
Downloads: 75
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